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Contract OI history

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Feb 19, 2027 EXPIRATION

HESM $30.00 Put

HESM270219P00030000

Latest saved OI112Oct 20, 2026
Last change+6vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $30.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 112560 2026-10-02: 3 OI2026-10-05: 3 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 26 OI2026-10-09: 26 OI2026-10-13: 95 OI2026-10-15: 105 OI2026-10-16: 106 OI2026-10-20: 112 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HESM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing112+6
Oct 16, 2026106+1
Oct 15, 2026105+10
Oct 13, 202695+69
Oct 09, 2026260
Oct 08, 202626+23
Oct 07, 202630
Oct 06, 202630
Oct 05, 202630
Oct 02, 20263No prior observation